The tune is to the 'oh my what a rotten song' bit from 'Knees Up Mother Brown' so you might want to fit it in with that. KUMB is still used by West Ham, it's more commonly known to football fans as the tune to 'Who ate all the pies' or to City fans as the 70's classic 'Who's Up Mary Brown'.
Oh my, what a rotten song
What a rotten song
What a rotten song
Oh my, what a rotten song
And what a rotten singer
Too-oo-ooh